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All content on this site is provided by the Museum of Obsolete Media, curated by Jason Curtis. My sincerest thanks to Jason for providing me with the worthy challenge of exhibiting his work in the only appropriate way:
The Floppy Disk Museum: The Bootable Floppy edition!

MCD cassette (early 1980s)

The MCD cassette (Micro Cassette Disk) was a floppy disk developed in Hungary for use in the MCD-1 floppy disk drive.

The MCD disk and drive were developed as early as 1973 by Marcell Jánosi of BRG (Budapesti Rádiótechnikai Gyár) and granted a domestic patent in 1974. At the time of its development, the 8-inch floppy had only recently been commercially released, a

Rather like the later 3-inch Compact Floppy which was similar in appearance, the MCD cassette's floppy disk is fully enclosed inside a rigid casing with a complex shutter mechanism.

Unfortunately, it was not manufactured until the early 1980s, by which time it faced competition from floppy disk designs such as the 3-inch Compact Floppy and 3.5-inch microfloppy. Apparently some were sold for use with the ZX Spectrum in the UK, but


Dimensions: 75 mm x 100.3 mm x 7.5 mm

Capacity: 150 KB